ARTICLE
Modeling of cyclic thermo-elastic-plastic behaviour of P91 steel
 
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1
Cracow University of Technology, Faculty of Mechanical Engineering, Institute of Applied Mechanics, Kraków
2
UTP University of Science and Technology, Faculty of Mechanical Engineering, Bydgoszcz
Publication date: 2017-04-15
 
Journal of Theoretical and Applied Mechanics 2017;55(2):595–606
 
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ABSTRACT
Thermomechanical low cycle fatigue behaviour of P91 steel used in power industry applications has been extensively investigated. The constitutive model of Armstrong-Frederick, extended with temperature rate effects, has been applied to describe the behaviour of the thermo-elastic-plastic material. The proposed model has been successfully implemented in simulation of low cycle fatigue of the examined steel in two different temperatures.
eISSN:2543-6309
ISSN:1429-2955